Home / 439,746.60-659,619.90-203,550.60

Finding the Fourth Proportional to 439,746.60, 659,619.90 and 203,550.60

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Solution

The fourth proportional to 439,746.60, 659,619.90 and 203,550.60 is: 305,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,746.60 : 659,619.90 = 203,550.60 : x
  2. Step 2: Convert to fraction form
    439,746.60/659,619.90 = 203,550.60/x
  3. Step 3: Cross multiply
    439,746.60x = 659,619.90 × 203,550.60
  4. Step 4: Simplify right side
    439,746.60x = 134,266,026,416.94
  5. Step 5: Solve for x
    x = 134,266,026,416.94/439,746.60
  6. Step 6: Final answer
    x = 305,325.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.